How to give a ACL access to particular group?

[Deepika Ravindr]

Hi,
I have one requirement like need to give a access to particular Group in particular one field. I was tried but it's not working if i am doing. wrong please correct me

I have one Script but it's not working

if(gs.isMemberOf('GROUP A')){
answer = true;
}else
{
answer = false;
}

For example i have a one group that group name is GROUP A, Now i need to give a access to GROUP A members to edit the comments field only remaining to show read only for that GROUP A members.

[Deepika Ravindr]

Hi,

  when ever i am choosing someone as a impersonate that time configuration item is show read only so i was modified like that this is the step one.

Now i need to give a access to one group for edit particular field.

For example i have create Group A in that group A having 5 members, Now need to give a ACL access to that group to edit one particular field(like version)

So i have create one ACL and put the script but it's not working.